Home / 20,519.96-30,767.61-8,025.08

Finding the Fourth Proportional to 20,519.96, 30,767.61 and 8,025.08

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Solution

The fourth proportional to 20,519.96, 30,767.61 and 8,025.08 is: 12,032.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,519.96 : 30,767.61 = 8,025.08 : x
  2. Step 2: Convert to fraction form
    20,519.96/30,767.61 = 8,025.08/x
  3. Step 3: Cross multiply
    20,519.96x = 30,767.61 × 8,025.08
  4. Step 4: Simplify right side
    20,519.96x = 246,912,531.66
  5. Step 5: Solve for x
    x = 246,912,531.66/20,519.96
  6. Step 6: Final answer
    x = 12,032.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.